For example, low or fluctuating estrogen can be associated with things like mood swings, brain fog, and anxiety
Iron Toxicity in Mice with Collagenase-Induced Intracerebral Hemorrhage
Because thyroid hormone synthesis by thyroid peroxidase (TPO) requires hydrogen peroxide (H2O2), adequate glutathione is needed to neutralise excess reactive oxygen species and protect thyroid follicular cells from oxidative damage and immune-mediated inflammation
Zanetti M, Gennaro R, Romeo D: Cathelicidins: a novel protein family with a common proregion and a variable C-terminal antimicrobial domain
Effectiveness varies in clinical trials
Moreover, as shown by the same group, recombinant zonulin-induced effects were completely reversible following its withdrawal in Rhesus monkey intestinal ileal tissues using Ussing chamber experiments and and the effects could specifically be blocked by preincubation of zonulin with anti-Zot antibodies 41